Chapter 9

Constructing Recommender Systems in RapidMiner

Matej Mihelčić

Electrical Engineering, Mathematics and Computer Science, University of Twente, Netherlands; Rudjer Boskovic Institute, Zagreb, Croatia

Matko Bošnjak

University of Porto, Porto, Portugal; Rudjer Boskovic Institute, Zagreb, Croatia

Nino Antulov-Fantulin

Rudjer Boskovic Institute, Zagreb, Croatia

Tomislav Å muc

Rudjer Boskovic Institute, Zagreb, Croatia

Acronyms

k-NN -k Nearest Neighbours

ROC curve -Receiver Operating Characteristic curve

AUC -Area Under the Curve

Prec@k -Precision at k

MAP -Mean Average Precision

NDCG -Normalized Discounted Cumulative Gain

9.1 Introduction

Making choices is an integral part of everyday life, especially today when users are overwhelmed with ...

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